How much solar power does Wartau already produce?

379 solar installations with 9.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~18% of the municipality's roof potential.

Where do these numbers come from?

From federal open data: the register of electricity production plants and the solar potential of Swiss municipalities (Swiss Federal Office of Energy), plus swisstopo municipal boundaries. We only show totals per municipality, never individual installations.

Can I start a LEG in Wartau?

Yes. A local electricity community is possible in any municipality, as long as all participants are in the same grid area and close to each other. UpGrid handles registration, metering and billing.

All municipalities in the canton of St. Gallen

Solar power · Canton of St. GallenLEG forming

Solar power in Wartau

379 solar installations with 9.2 MWp of capacity are installed in Wartau.

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Solar installations: 379
Installed capacity: 9.2 MWp
Roof potential in use: ~18%; Estimate
Rank in the canton of St. Gallen: 35 of 75; by roof potential in use

Growth by build yearNew capacity installed per year in kWp

Roof potential

How much sun falls on the roofs of Wartau

The suitable roofs of Wartau could deliver around 50 GWh of solar power a year. An estimated ~18% of it is used today.

Roof potential per month (GWh)

A LEG is forming in Wartau

A local electricity community is collecting sign-ups here. The more neighbours join, the sooner it starts.

Communities in Wartau

LEG Wartau
Forming
Wartau, SG

Communities nearby

St. Gallisch-Appenzellische Kraftwerke AG - Sargans
Forming
Sargans, SG
Gemeinde Sevelen - Sevelen
Forming
Sevelen, SG
Wasser- und Elektrizitätswerk Walenstadt - Walenstadt
Forming
Walenstadt, SG

Join the LEG in Wartau

Get solar power from your neighbourhood. Joining is free and you keep your electricity supplier.

Go to the community

Questions about solar power in Wartau

How much solar power does Wartau already produce?: 379 solar installations with 9.2 MWp in total are listed in the Swiss Federal Office of Energy register. That is an estimated ~18% of the municipality's roof potential.
Where do these numbers come from?: From federal open data: the register of electricity production plants and the solar potential of Swiss municipalities (Swiss Federal Office of Energy), plus swisstopo municipal boundaries. We only show totals per municipality, never individual installations.
Can I start a LEG in Wartau?: Yes. A local electricity community is possible in any municipality, as long as all participants are in the same grid area and close to each other. UpGrid handles registration, metering and billing.

Sources: Swiss Federal Office of Energy (SFOE), swisstopo, opendata.swiss. As of October 2026. Totals per municipality only, no individual installations.

Build year	Installations	Capacity (kWp)
before 2012	26	280
2012	10	309
2013	16	3’124
2014	6	157
2015	27	620
2016	19	291
2017	7	155
2018	12	106
2019	7	93
2020	13	313
2021	18	228
2022	50	595
2023	66	872
2024	53	1’237
2025	42	751
2026	7	117

Month	GWh
Jan	1.5
Feb	2.4
Mar	4.2
Apr	5.5
May	6.3
Jun	6.7
Jul	6.8
Aug	6.2
Sept	4.5
Oct	3.1
Nov	1.7
Dec	1.3

Solar power in Wartau

How much sun falls on the roofs of Wartau

A LEG is forming in Wartau

Communities in Wartau

LEG Wartau

Communities nearby

St. Gallisch-Appenzellische Kraftwerke AG - Sargans

Gemeinde Sevelen - Sevelen

Wasser- und Elektrizitätswerk Walenstadt - Walenstadt

Join the LEG in Wartau

Questions about solar power in Wartau